Main body of a construction machine



FIG. 1 is a front perspective view of a main body of a construction machine showing our new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a rear view thereof; and,

FIG. 7 is a front view thereof. 

CLAIM The ornamental design for a main body of a construction machine, as shown and described. 